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c49ff72cff
Copy directly from the se_cmd CDB to the one in the scsi_request. This temporarily limits the pscsi backend to supporting only up to 16 byte CDBs, but this restriction will be lifted later in this series. Link: https://lore.kernel.org/r/20220224175552.988286-2-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef TARGET_CORE_PSCSI_H
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#define TARGET_CORE_PSCSI_H
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#define PSCSI_VERSION "v4.0"
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/* used in pscsi_find_alloc_len() */
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#ifndef INQUIRY_DATA_SIZE
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#define INQUIRY_DATA_SIZE 0x24
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#endif
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/* used in pscsi_add_device_to_list() */
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#define PSCSI_DEFAULT_QUEUEDEPTH 1
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#define PS_RETRY 5
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#define PS_TIMEOUT_DISK (15*HZ)
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#define PS_TIMEOUT_OTHER (500*HZ)
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#include <linux/cache.h> /* ___cacheline_aligned */
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#include <target/target_core_base.h> /* struct se_device */
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struct block_device;
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struct scsi_device;
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struct Scsi_Host;
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#define PDF_HAS_CHANNEL_ID 0x01
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#define PDF_HAS_TARGET_ID 0x02
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#define PDF_HAS_LUN_ID 0x04
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#define PDF_HAS_VPD_UNIT_SERIAL 0x08
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#define PDF_HAS_VPD_DEV_IDENT 0x10
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#define PDF_HAS_VIRT_HOST_ID 0x20
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struct pscsi_dev_virt {
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struct se_device dev;
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int pdv_flags;
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int pdv_host_id;
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int pdv_channel_id;
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int pdv_target_id;
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int pdv_lun_id;
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struct block_device *pdv_bd;
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struct scsi_device *pdv_sd;
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struct Scsi_Host *pdv_lld_host;
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} ____cacheline_aligned;
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typedef enum phv_modes {
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PHV_VIRTUAL_HOST_ID,
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PHV_LLD_SCSI_HOST_NO
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} phv_modes_t;
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struct pscsi_hba_virt {
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int phv_host_id;
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phv_modes_t phv_mode;
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struct Scsi_Host *phv_lld_host;
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} ____cacheline_aligned;
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#endif /*** TARGET_CORE_PSCSI_H ***/
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